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--[[
Copyright (c) 2012-2015 Kaarle Ritvanen
See LICENSE file for license details
--]]
local object = require('aconf.object')
local super = object.super
local address = require('aconf.path.address')
local DeferringCommitter = object.class(
require('aconf.transaction.base').Transaction
)
function DeferringCommitter:init(backend)
super(self, DeferringCommitter):init(backend)
self.defer_paths = {}
self.committed = true
end
function DeferringCommitter:defer(path) self.defer_paths[path] = true end
function DeferringCommitter:_set_multiple(mods)
super(self, DeferringCommitter):_set_multiple(mods)
if not self.committed then return end
self.committed = false
for _, mod in ipairs(mods) do
local path, value = table.unpack(mod)
while path > '/' do
if self.defer_paths[path] then return end
path = address.parent(path)
end
end
self:commit()
end
function DeferringCommitter:commit()
super(self, DeferringCommitter):commit()
self.committed = true
end
return DeferringCommitter(require('aconf.persistence'))
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